Video resolution:4K@30HZ(3840x2160); 4K 2K,1080P 3D,720P. Dual USB Ports-- Plays from TF card / USB flash drives(up to 128G) and USB hard drives up to 6TB. You can also connect a USB mouse or keyboard to operate the player, making your TV smarter by adding the ability to play videos, music, and photo slideshows or PPT.